[qú dào]
(引水灌溉的水道) irrigation ditch; canal; channel
Canals have been built to take water to the desert.
开掘渠道把水引进沙漠。
(途径) medium of communication; channel
through various channels
通过各种渠道
through diplomatic channels
通过外交渠道
through the medium of cultural exchange
通过文化交流的渠道